Brookline

County:: Hillsborough County
County Seat:: No
Area (mi²):: 19.835
State:: New Hampshire

Brookline is located in Hillsborough County, New Hampshire. Brookline has a 2025 population of 5,813. Brookline is currently growing at a rate of 0.35% annually and its population has increased by 2.96% since the most recent census, which recorded a population of 5,646 in 2020.

The average household income in Brookline is $184,090 with a poverty rate of 0.47%. The median age in Brookline is 41.2 years: 42.9 years for males, and 39.4 years for females.

Demographics

The racial composition of Brookline includes 93.4% White, and smaller percentages for Two or more races, Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	5,321	93.4%
Two or more races	151	2.65%
Black or African American	86	1.51%
Other race	76	1.33%
Asian	63	1.11%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Brookline Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Brookline's average per capita income is $79,926. Household income levels show a median of $165,942. The poverty rate stands at 0.47%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$170,775	-
Families	$168,750	$196,683
Households	$165,942	$184,090
Non Families	$100,721	$121,620

$79,926

Average Income

$165,942

Median Household Income

0.47%

Poverty Rate